dailysudoku.com :: View topic - Set XY

dailysudoku.com
Discussion of Daily Sudoku puzzles

FAQ

Memberlist

Usergroups

Profile

Set XY_03 Puzzle 010

dailysudoku.com Forum Index -> Puzzles by daj

View previous topic :: View next topic

Author

Message

daj95376

Joined: 23 Aug 2008
Posts: 3854

Posted: Wed Jun 03, 2009 5:22 am Post subject: Set XY_03 Puzzle 010

I'm going to take a sabbatical from posting puzzles. (1/5)

Code:

+-----------------------+
| 6 . . | . . . | . . . |
| . 9 8 | 4 . 5 | 2 . 3 |
| . 2 5 | . . 8 | . . . |
|-------+-------+-------|
| . 3 . | 8 . . | 6 . 5 |
| . . . | . . 6 | . . . |
| . 8 6 | . 5 4 | 7 . 2 |
|-------+-------+-------|
| . 5 . | 1 . 2 | 3 . 6 |
| . . . | . . . | . 5 4 |
| . 6 . | 5 . 3 | 9 2 7 |
+-----------------------+

Play this puzzle online at the Daily Sudoku site

Code:

XY-Wing [r6c1]/[r5c2]+[r7c1] <> 4 [r4c1]

c29r5 Skyscraper <> 1 [r1c8],[r3c1]
c26r1 Skyscraper <> 1 [r4c1],[r5c5]

c6b4 Empty Rectangle <> 7 [r1c3] complementary
c6b1 Empty Rectangle <> 7 [r4c1]

r4 b5 Locked Candidate 1 <> 1 [r4c8]

XY-Wing [r1c8]/[r1c6]+[r3c9] <> 1 [r3c5]
XY-Wing [r5c9]/[r4c8]+[r5c2] <> 4 [r4c3],[r5c8]

r3 b3 Locked Candidate 2 <> 1 [r2c8]

XY-Wing [r2c5]/[r1c6]+[r2c8] <> 7 [r1c8]

r1 b2 Locked Candidate 2 <> 7 [r3c4]
c4 Naked Pair <> 39 [r15c4]

W-Wing: 2/3 in r5c5,r8c3 connected by 3 in r1c35 => r5c3<>2
W-Wing: 9/1 in r4c5,r6c1 connected by 1 in r2c15 => r4c1,r6c4<>9
+-----------------------------------------------------+
| 6 14 34 | 27 123 17 | 5 9 8 |
| 17 9 8 | 4 16 5 | 2 67 3 |
| 37 2 5 | 39 369 8 | 4 67 1 |
|-----------------+-----------------+-----------------|
| 29 3 27 | 8 129 17 | 6 4 5 |
| 5 14 247 | 27 23 6 | 8 13 9 |
| 19 8 6 | 39 5 4 | 7 13 2 |
|-----------------+-----------------+-----------------|
| 4 5 9 | 1 7 2 | 3 8 6 |
| 23 7 23 | 6 8 9 | 1 5 4 |
| 8 6 1 | 5 4 3 | 9 2 7 |
+-----------------------------------------------------+
# 30 eliminations remain

Last edited by daj95376 on Sat Jun 27, 2009 3:46 pm; edited 1 time in total

storm_norm

Joined: 18 Oct 2007
Posts: 1741

Posted: Thu Jun 04, 2009 3:30 am Post subject:

two skyscrapers on 1
two-string kite on 7
xy-wing 179
xy-wing 167

leaves this grid...

Code:

.---------------.---------------.---------------.
| 6 *14 34 |2-7 123 *17 | 5 9 8 |
| 17 9 8 | 4 16 5 | 2 67 3 |
| 37 2 5 | 39 369 8 | 4 67 1 |
:---------------+---------------+---------------:
| 29 3 27 | 8 129 17 | 6 4 5 |
| 5 *14 247 |*27 *23 6 | 8 *13 9 |
| 19 8 6 | 39 5 4 | 7 13 2 |
:---------------+---------------+---------------:
| 4 5 9 | 1 7 2 | 3 8 6 |
| 23 7 23 | 6 8 9 | 1 5 4 |
| 8 6 1 | 5 4 3 | 9 2 7 |
'---------------'---------------'---------------'

(7=1)r1c6 - (1)r1c2 = (1)r5c2 - (1=3)r5c8 - (3=2)r5c5 - (2-7)r5c4; r1c4 <> 7

Display posts from previous:

	dailysudoku.com Forum Index -> Puzzles by daj	All times are GMT
Page 1 of 1

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum